CN107929958B - Miniature heap neutron therapeutic device - Google Patents
Miniature heap neutron therapeutic device Download PDFInfo
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- CN107929958B CN107929958B CN201810008395.8A CN201810008395A CN107929958B CN 107929958 B CN107929958 B CN 107929958B CN 201810008395 A CN201810008395 A CN 201810008395A CN 107929958 B CN107929958 B CN 107929958B
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- neutron
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- 230000001225 therapeutic effect Effects 0.000 title description 6
- 239000000446 fuel Substances 0.000 claims abstract description 22
- 229910052790 beryllium Inorganic materials 0.000 claims abstract description 12
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 230000004907 flux Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 7
- 229910001093 Zr alloy Inorganic materials 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 6
- 229910052770 Uranium Inorganic materials 0.000 claims description 4
- 238000009203 neutron therapy Methods 0.000 claims description 4
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 claims description 3
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 claims description 3
- NBWXXYPQEPQUSB-UHFFFAOYSA-N uranium zirconium Chemical compound [Zr].[Zr].[U] NBWXXYPQEPQUSB-UHFFFAOYSA-N 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- CKYKNSRRNDUJPY-UHFFFAOYSA-N alumane;uranium Chemical compound [AlH3].[U] CKYKNSRRNDUJPY-UHFFFAOYSA-N 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 238000001959 radiotherapy Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1077—Beam delivery systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1085—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
- A61N2005/109—Neutrons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
- Particle Accelerators (AREA)
Abstract
The invention discloses a micro-reactor neutron treatment device, which comprises a micro-reactor capable of generating neutron beam with high epithermal neutron flux, wherein the micro-reactor Zhou Weibu is provided with a water tank, the micro-reactor consists of an aluminum housing of a reactor core, a beryllium reflecting layer, 1-N openings I, a fuel plate and an opening II, wherein the reactor core is placed on the ground, the aluminum housing of the reactor core is positioned in the aluminum housing of the reactor core, the beryllium reflecting layer surrounds the reactor core, the openings I are arranged in the beryllium reflecting layer, the fuel plate is arranged in the opening I, the opening II is arranged in the reactor core housing and corresponds to the opening I, an irradiation duct is connected to one position of the opening I, a filter material is arranged in the irradiation duct, a shielding door is arranged at one end opposite to the irradiation duct and is provided with an opening III, and the irradiation duct is connected to each treatment chamber through the opening III. The invention has the beneficial effects of simple structure and strong practicability.
Description
Technical Field
The invention relates to the field of micro-reactor medical treatment, in particular to a micro-reactor neutron treatment device.
Background
The existing neutron radiation therapy system adopts a proton accelerator to irradiate a target to generate neutrons as a neutron source or adopts a nuclear reactor as a neutron source, and the center emitted from the neutron source is aligned with the focus position of a patient to carry out radiation therapy, and the system has the defects that: the accelerator is typically a linear accelerator, which occupies an excessive area and has only one outlet, which can only correspond to one examination or treatment room.
Disclosure of Invention
The invention aims to solve the problems and designs a micro-reactor neutron treatment device.
The technical scheme of the invention for achieving the purpose is that the micro-reactor neutron treatment device comprises a micro-reactor capable of generating neutron beam with high epithermal neutron flux, wherein the micro-reactor Zhou Weibu is provided with a water tank, the micro-reactor consists of a reactor core outer cover placed on the ground, a micro-reactor core positioned in the reactor core outer cover, a beryllium reflecting layer surrounding the reactor core, 1 to N openings I formed in the beryllium reflecting layer, a fuel plate placed in the opening I, and an opening II formed in the reactor core outer cover and corresponding to the opening I, an irradiation duct is connected to the opening I, filtering materials are arranged in the irradiation duct, a shielding door is arranged at one end opposite to the irradiation duct and the opening I, an opening III is arranged on the shielding door, and the irradiation duct is connected to each treatment chamber through the opening III.
The fuel plate contains low enriched uranium with an enrichment of less than 20%.
The fuel plate is composed of a core and a cladding.
The core of the fuel plate includes, but is not limited to, uranium aluminum alloy, uranium zirconium alloy, and uranium dioxide ceramic.
The cladding of the fuel plate includes, but is not limited to, zirconium alloys and aluminum alloys.
The water in the water tank is deionized water.
The shielding door is made of heavy concrete.
The shielding door is a rotary shielding door or a movable shielding door.
The core outer cover is made of aluminum or aluminum alloy.
The joint of the irradiation pore canal and the first opening, the second opening and the third opening are sealed.
The micro reactor neutron therapeutic device manufactured by the technical scheme of the invention adopts the micro nuclear reactor as a neutron source, the body is only about 1 cubic meter, the occupied space area is small, a plurality of irradiation pore channels can be distributed around the micro reactor along the circumferential direction, and the micro reactor neutron therapeutic device can be communicated to different examination rooms or treatment rooms.
Drawings
FIG. 1 is a schematic diagram of a micro-stack neutron therapy device according to the present invention;
FIG. 2 is a schematic illustration of a fuel plate according to the present invention;
In the figure, 1, a micro stack; 2. a pool; 3. a core shroud; 4. a core; 5. a beryllium reflective layer; 6. an opening I; 7. a fuel plate; 8. an opening II; 9. irradiating the duct; 10. a filter material; ; 11. a cladding; 12. a shielding door; 13. an opening III; 14. a core.
Detailed Description
The invention is specifically described below with reference to the accompanying drawings, as shown in fig. 1-2, a micro-stack neutron treatment device comprises a micro-stack 1 capable of generating neutron beams with high epithermal neutron flux, a pool 2 is distributed around the micro-stack 1, the micro-stack 1 is composed of a core outer cover 3 placed on the ground, a micro-stack core 4 positioned in the core outer cover 3, a beryllium reflecting layer 5 surrounding the core 4, 1-N openings I6 formed in the beryllium reflecting layer 5, a fuel plate 7 placed in the openings I6, and two openings 8 formed in the core outer cover 3 and corresponding to the openings I6, an irradiation tunnel 9 is connected to the openings I6, a filter material 10 is arranged in the irradiation tunnel 9, a shielding door 12 is arranged at one end of the irradiation tunnel 9 opposite to the openings I6, an opening III 13 is arranged on the shielding door 12, and the irradiation tunnel 9 is connected to each treatment chamber through the openings III 13; the fuel plate 7 contains low enriched uranium with enrichment degree less than 20%; the fuel plate 7 is composed of a core 14 and an envelope 11; the core 14 of the fuel plate includes, but is not limited to, uranium aluminum alloy, uranium zirconium alloy, uranium dioxide ceramic; the cladding of the fuel plate includes, but is not limited to, zirconium alloys and aluminum alloys; the water in the pool 2 is deionized water; the shielding door 12 is made of stainless steel or heavy concrete; the shielding door 12 is a rotary shielding door or a movable shielding door; the core housing 3 is made of aluminum or aluminum alloy; the connection parts of the irradiation pore canal 9 and the first opening 6, the second opening 8 and the third opening 13 are sealed.
The device is characterized in that the device adopts a micro nuclear reactor as a neutron source, a pool is distributed around the micro reactor, the micro reactor consists of a reactor core aluminum housing placed on the ground, a micro reactor core positioned in the reactor core aluminum housing, a beryllium reflecting layer surrounding the reactor core, 1 to N openings I formed in the beryllium reflecting layer, a fuel plate placed in the opening I, and an opening II formed in the reactor core housing and corresponding to the opening I. The micro reactor neutron therapeutic device manufactured by the technical scheme of the invention adopts the micro nuclear reactor as a neutron source, the body is only about 1 cubic meter, the occupied space area is small, a plurality of irradiation pore channels can be distributed around the micro reactor along the circumferential direction, and the micro reactor neutron therapeutic device can be communicated to different examination rooms or treatment rooms.
In this embodiment, the fuel plates outside the core produce more fission and neutrons produced by the fission in the fuel plates are less moderated, and therefore have a higher epithermal neutron flux, and neutron beam streams with higher epithermal neutron flux pass through moderating and filtering materials disposed in the pool and the irradiation tunnel, forming neutron beam streams meeting different treatment requirements, and ultimately connect to the individual treatment chambers through the openings of the rotating or moving shield doors.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (6)
1. The micro-reactor neutron treatment device comprises a micro-reactor (1) capable of generating neutron beams with high epithermal neutron flux, and is characterized in that the micro-reactor (1) Zhou Weibu is provided with a water tank (2), the micro-reactor (1) consists of a reactor core housing (3) placed on the ground, a micro-reactor core (4) positioned in the reactor core housing (3), a beryllium reflecting layer (5) surrounding the reactor core (4), 1 to N openings I (6) formed in the beryllium reflecting layer (5), a fuel plate (7) placed in the openings I (6) and two openings II (8) formed in the reactor core housing (3) and corresponding to the openings I (6), an irradiation pore channel (9) is connected to the openings I (6), a filter material (10) is arranged in the irradiation pore channel (9), a shielding door (12) is arranged at one end opposite to the openings I (6), and three openings (13) are arranged on the shielding door (12), and the irradiation pore channel (9) is connected to each treatment chamber through the three openings (13); the fuel plate (7) contains low enriched uranium with enrichment degree less than 20%; the micro pile (1) is a neutron source; the shielding door (12) is made of stainless steel or heavy concrete; the shielding door (12) is a rotary shielding door or a movable shielding door;
The fuel plate (7) is composed of a core (14) and a cladding (11);
A plurality of irradiation tunnels are circumferentially distributed around the micro-stack, the plurality of irradiation tunnels leading to different examination or treatment rooms;
The neutron beam flow with epithermal neutron flux is connected to each treatment chamber through openings of the rotating or moving shielding doors, through moderating and filtering materials arranged in the pool and the irradiation tunnel, forming neutron beam flows meeting different treatment requirements.
2. A micro-stack neutron treatment device according to claim 1, characterised in that the core (14) of the fuel plate comprises uranium aluminium alloy, uranium zirconium alloy, uranium dioxide ceramic.
3. A micro-stack neutron treatment device according to claim 1, characterised in that the cladding (11) of the fuel plate comprises zirconium alloy and aluminium alloy.
4. A micro-stack neutron therapy device according to claim 1, characterised in that the water in the pool (2) is deionized water.
5. The micro-reactor neutron therapy device according to claim 1, wherein the core housing (3) is made of aluminum or aluminum alloy.
6. A micro-stack neutron therapy device according to claim 1, wherein the connection of the irradiation tunnel (9) with the first opening (6), the second opening (8) and the third opening (13) is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810008395.8A CN107929958B (en) | 2018-01-04 | 2018-01-04 | Miniature heap neutron therapeutic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810008395.8A CN107929958B (en) | 2018-01-04 | 2018-01-04 | Miniature heap neutron therapeutic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107929958A CN107929958A (en) | 2018-04-20 |
| CN107929958B true CN107929958B (en) | 2024-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810008395.8A Active CN107929958B (en) | 2018-01-04 | 2018-01-04 | Miniature heap neutron therapeutic device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107929958B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020062B (en) * | 2023-01-13 | 2023-09-29 | 兰州科近泰基新技术有限责任公司 | Treatment terminal based on rotary beam line |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509777A (en) * | 2002-12-25 | 2004-07-07 | 周永茂 | Neutron radiating device in hospital |
| CN106351474A (en) * | 2016-11-08 | 2017-01-25 | 北京凯佰特科技股份有限公司 | Building for hospital neutron irradiation treatment and irradiation room thereof |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5433693A (en) * | 1992-12-31 | 1995-07-18 | Ott; Karl O. | Neutron-capture therapy apparatus and method |
| CN103366852B (en) * | 2012-03-28 | 2015-10-21 | 华北电力大学 | A kind of high throughput thermally neutron pile reactor core for transmuting |
| CN102789821A (en) * | 2012-06-14 | 2012-11-21 | 华北电力大学 | Production technology of novel battery package material |
| CN103514970B (en) * | 2012-06-15 | 2016-03-02 | 北京凯佰特科技有限公司 | The core components of neutron radiating device in hospital-I neutron source apparatus |
| JP6261919B2 (en) * | 2013-09-06 | 2018-01-17 | 三菱重工機械システム株式会社 | Neutron irradiation equipment |
| CN107004451B (en) * | 2014-10-01 | 2019-11-29 | 曾宪俊 | Neutron source based on the configuration of balance-type plasma beam |
| CN104302089A (en) * | 2014-10-11 | 2015-01-21 | 江苏达胜加速器制造有限公司 | Horizontal type self-shielding accelerator |
| CN204591046U (en) * | 2015-03-02 | 2015-08-26 | 孙卓民 | The adjustable shield door in a kind of radiotherapy room |
| CN204596440U (en) * | 2015-04-03 | 2015-08-26 | 中国中原对外工程有限公司 | Improve the reactor core assembly that vertical epithermal neutron beam irradiates flux |
| CN104882186A (en) * | 2015-04-03 | 2015-09-02 | 中国中原对外工程有限公司 | Super-longevity reactor core reactivity control and adjustment method |
| CN104778987B (en) * | 2015-04-03 | 2017-12-12 | 中国中原对外工程有限公司 | Improve the reactor core assembly and its method of vertical epithermal neutron beam irradiation flux |
| CN107038293B (en) * | 2017-04-05 | 2020-05-15 | 西安交通大学 | Resonance self-screen calculation method for plate-shaped fuel based on equivalent one-dimensional plate model |
| CN107195334B (en) * | 2017-06-08 | 2023-08-01 | 清华大学天津高端装备研究院 | Accelerator driven subcritical gas cooled reactor |
-
2018
- 2018-01-04 CN CN201810008395.8A patent/CN107929958B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509777A (en) * | 2002-12-25 | 2004-07-07 | 周永茂 | Neutron radiating device in hospital |
| CN106351474A (en) * | 2016-11-08 | 2017-01-25 | 北京凯佰特科技股份有限公司 | Building for hospital neutron irradiation treatment and irradiation room thereof |
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| Publication number | Publication date |
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| CN107929958A (en) | 2018-04-20 |
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Address after: 101400 3rd floor, 13 Yanqi street, Yanqi Economic Development Zone, Huairou District, Beijing Applicant after: Beijing Xinhe Nuclear Engineering Technology Co.,Ltd. Address before: No. 202, Unit 88, No.1 Mashenmiao, Haidian District, Beijing, 100089 Applicant before: BEIJING XINHE MEDICAL TECHNOLOGY CO.,LTD. |
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